You might see people online shouting about diatomaceous earth. It’s a powder made from fossilized algae. They put it in a pitcher and hope it filters fluoride. Does it work? Meh. It’s like throwing a net into the ocean to catch a sand grain. Not very efficient.
What about those fancy carbon filters (like Brita or Pur)? Sorry, friends. Carbon is great for bad tastes and chlorine. It’s a rock star for that. But fluoride? It laughs at carbon. It slips right through.
How to Remove Fluoride from Water: 4 Effective Methods
And please, please do not buy those tiny “fluoride filter” sticks on Amazon. They are often just plastic tubes of nothing. You’d have better luck waving a magic wand over your glass.
